Analysis

  • max time kernel
    145s
  • max time network
    132s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    13-07-2020 11:20

General

  • Target

    R220917549.exe

  • Size

    923KB

  • MD5

    65e707bd6d53922eed2f27b35bd5355a

  • SHA1

    8e2cb2687357567045584ed5cb36c11cc928f4a4

  • SHA256

    ca2474c82643817c50106479f991ae282b9bb24fde98721dc5f99fe9a5eb3300

  • SHA512

    606f8a9fab4b19fc43ed233f62fcefc3758e1e8fd6358b9fecbd8a3e3a43027ddded905ad2fc185eec7c3e14c1ad563ce007cb35f61797846807757b2ac1447a

Malware Config

Signatures

  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run entry to start application 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Drops file in Program Files directory 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    PID:2996
    • C:\Users\Admin\AppData\Local\Temp\R220917549.exe
      "C:\Users\Admin\AppData\Local\Temp\R220917549.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetThreadContext
      PID:4092
      • C:\Users\Admin\AppData\Local\Temp\R220917549.exe
        "C:\Users\Admin\AppData\Local\Temp\R220917549.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        PID:2924
    • C:\Windows\SysWOW64\control.exe
      "C:\Windows\SysWOW64\control.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Adds Run entry to start application
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Drops file in Program Files directory
      PID:3836
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\R220917549.exe"
        3⤵
          PID:3852
        • C:\Windows\SysWOW64\cmd.exe
          /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
          3⤵
            PID:1716

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/2924-0-0x0000000000400000-0x000000000042A000-memory.dmp

        Filesize

        168KB

      • memory/3836-3-0x0000000000A10000-0x0000000000A30000-memory.dmp

        Filesize

        128KB

      • memory/3836-6-0x0000000005630000-0x0000000005724000-memory.dmp

        Filesize

        976KB

      • memory/3836-4-0x0000000000A10000-0x0000000000A30000-memory.dmp

        Filesize

        128KB